53838457 has 12 divisors (see below), whose sum is σ = 57127140. Its totient is φ = 50730912.

The previous prime is 53838437. The next prime is 53838461. The reversal of 53838457 is 75483835.

53838457 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 47831056 + 6007401 = 6916^2 + 2451^2 .

It is not a de Polignac number, because 53838457 - 2²³ = 45449849 is a prime.

It is a Duffinian number.

Its product of digits (403200) is a multiple of the sum of its prime factors (840).

It is not an unprimeable number, because it can be changed into a prime (53838427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 105519 + ... + 106027.

It is an arithmetic number, because the mean of its divisors is an integer number (4760595).

Almost surely, 2^53838457 is an apocalyptic number.

It is an amenable number.

53838457 is a deficient number, since it is larger than the sum of its proper divisors (3288683).

53838457 is a wasteful number, since it uses less digits than its factorization.

53838457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 840 (or 821 counting only the distinct ones).

The product of its digits is 403200, while the sum is 43.

The square root of 53838457 is about 7337.4693866482. The cubic root of 53838457 is about 377.5990284473.

The spelling of 53838457 in words is "fifty-three million, eight hundred thirty-eight thousand, four hundred fifty-seven".